
// Copyright (c) 2023 Wang Baisheng <baisheng_wang@163.com>, Wang Shenghan. All Rights Reserved.

.text
.code64
1:
    movb $'F', (0x12345678)
    mov (0x12345678), %al

    mov $0x3f8, %dx
    out %al, %dx

    jmp 1b
